Table 2 Relationship between patient characteristics or operative factors and postoperative complication

Gender

 Male

193 (33%)

392 (67%)

 < 0.01

 Female

64 (17%)

307 (83%)

Age

 < 75 years

183 (26%)

516 (74%)

0.41

 ≥ 75 years

74 (29%)

183 (71%)

Smoking history

 Present

196 (33%)

399 (67%)

 < 0.01

 Absent

61 (17%)

300 (83%)

Charlson Comorbidity index

≧3

13 (20%)

52 (80%)

0.19

 < 3

245 (27%)

647 (73%)

Coexistence of Interstitial lung disease

 Present

4 (18%)

18 (82%)

0.35

 Absent

253 (27%)

681 (73%)

Coexistence of diabetes mellitus

 Present

39 (29%)

97 (71%)

0.61

 Absent

218 (27%)

602 (73%)

Coexistence of malignancy

 Present

36 (22%)

125 (78%)

0.15

 Absent

221(28%)

704 (72%)

Coexistence of asthma

 Present

13 (46%)

15 (54%)

0.01

 Absent

244 (26%)

684 (73%)

Coexistence of arrhythmia or angina pectoris

 Present

32 (32%)

66 (68%)

0.17

 Absent

225 (26%)

633 (74%)

FEV₁%

 < 70%

115 (35%)

218 (65%)

 < 0.01

 ≥ 70%

142 (23%)

481 (77%)

Lobe

 RU

84 (29%)

205 (71%)

0.07

 RM

11 (19%)

47 (81%)

 RL

63 (27%)

168 (73%)

 LU

72 (32%)

148 (68%)

 LL

27 (17%)

131 (83%)

Operative approach

 C-VATS + RATS

88 (26%)

253 (74%)

0.57

 H-VATS + Open

169 (27%)

446 (73%)

Operative procedure

 Lobectomy or more

219 (31%)

490(69%)

 < 0.01

 Sublobar resection

38 (15%)

209 (85%)